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Question
1) The refractive index of a lightly damped medium is given by ñ = n - ik, where the k is the extinction coefficient, Large k means that the medium is highly absorbing. a) Explain behavior of n and the reflectivity of the medium for w<wp and w> Wp. is the plasmon frequency of the medium. Here wp b) Zinc is a divalent metal with 6.6 x 1028 m-3 atoms per unit volume. How the zinc will appear when the EM waves of different frequencies incident on it ?
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Transcribed Image Text:1) The refractive index of a lightly damped medium is given by ñ = n - ik, where the k is the extinction coefficient, Large k means that the medium is highly absorbing. a) Explain behavior of n and the reflectivity of the medium for w<wp and w> Wp. is the plasmon frequency of the medium. Here wp b) Zinc is a divalent metal with 6.6 x 1028 m-3 atoms per unit volume. How the zinc will appear when the EM waves of different frequencies incident on it ?
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